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Vietnamese seaports play an important role as crossroads for import, export and transformation in delivery from maritime transport to rail, road and inland waterway transport. Over the last two decades, the seaport system has been reformed with the participation of private and foreign investors. Consequently, this issue enhances competition between seaports and brings changes to the seaports’ operations. In this article, the relationship between seaport competition and efficiency is examined in the context of Vietnam, an emerging market economy. The longitudinal data from 2011 to 2022 is collected to quantify the competition degree of Vietnamese seaports and Data Envelopment Analysis is used to measure seaport efficiency. A number of measures are used to quantify the competition level of the seaport system over time, including concentration ratio, Gini index, and Hirschman-Herfindahl Index. Besides, market share at both national and regional levels and distance to the nearest competing seaport are criteria of port-level competition. The results advocate an increasing trend of seaport competition in Vietnam. Moreover, based on Tobit regression models, the competition among seaports relates positively to efficiency using both the 2021-2022 and 2015-2016 data sets. Under the COVID-19 pandemic, the impact of external factors on seaport efficiency is insignificant and inconsistent due to the disruption of logistics systems and disrupted links to the outside environment.
Quach et al. (Fri,) studied this question.